Michael A. Schuman Books

Discusses the geographic features, history, government, people, and attractions of the state known as the First State, because it ratified the U.S. Constitution first.

Bill Clinton

By Michael A. Schuman

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Describes Bill Clinton's rise to the presidency as well as the ups and downs he experienced during his two terms in office.

Alexander Graham Bell

By Michael A. Schuman

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A biography of the man known for his interest in teaching the deaf and for his invention of the telephone.

Mayan and Aztec Mythology Mythology Berkeley Heights N.J. .

By Michael A. Schuman

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Discusses various Mayan and Aztec myths, including creation stories and tales of principal gods and goddesses.

George H.W. Bush

By Michael A. Schuman

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Explores the life of the forty-first president, including his service in the Navy, his years in politics, and his impact on United States history.

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.